What are the bombs for in word wipe?

What are the bombs for in word wipe? Reply for “ask”: The bonus bomb helps you delete the Word Wipe letters/alphabets. You simply drag the bomb(s) over the alphabets/letters to delete some of the letters, thereby increasing your chance of clearing all of the letters or words.

Reply for “ask”: The bonus bomb helps you delete the Word Wipe letters/alphabets. You simply drag the bomb(s) over the alphabets/letters to delete some of the letters, thereby increasing your chance of clearing all of the letters or words.